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Matches 401 - 450 out of 2,706

Document Document Title
JPWO2005040616A1
吐出弁や逆止弁を省略することができて低コ スト化が図れると共に、揚水運転終了後の落 水による振動、騒音を抑制できる揚水ポンプ 装置及びその運転制御方法を提供する。...  
JP2008128000A
To provide a pump device capable of accurately detecting whether a liquid is present or not in a pump during a steady state operation.This pump device comprises the pump 10 having an impeller and a pump casing 10a, a drive source 15 for ...  
JP2008110112A
To provide a self-priming suction pump device for washing machine, which is free from water leakage, has a long service life and compactness, and an assembly method for the self-priming suction pump device for the washing machine.A pump ...  
JP4084848B2  
JP2008057399A
To easily secure a priming into a suction passage and a blade chamber in a non-displacement pump.This non-displacement pump can perform a liquid pumping operation for discharging a conveying liquid sucked from a suction passage into a bl...  
JP2008057328A
To provide a horizontal shaft pump in which the height of a rise part 42a formed on a suction pipe 42 is reduced to prevent water from flowing into a vacuum pump 52.The rise part 42a is formed on the suction pipe 42. A control means 64 s...  
JP2008057398A
To simplify the shape of the inside of a gas-liquid separating passage and easily form a damping means by adopting a novel simple damping means in a self-priming pump.This self-priming pump can perform a liquid pumping operation for disc...  
JP2008050958A
To provide a self-priming pump capable of stably discharging fluid to be transferred even if the fluid is brought into a gas-liquid mixed state.A liner ring 50 which rubbing-contacts with an impeller 29 when the impeller 29 moves to the ...  
JP2008031906A
To provide a controlled operation method for a vertical shaft pump 14 capable of executing controlled operation if water level A in a suction water tank 10 is over a lower end level B of a suction bellmouth 22.This invention relates to a...  
JP2007327451A
To provide a self-priming pump enhanced in self-priming capability by suppressing degradation of pump efficiency in a regular operation. This self-priming pump is provided with: a rotatable main spindle 10; an impeller 12 attached to the...  
JP2007327393A
To provide a self-priming pump capable of inexpensively and simply achieving pump performance requested by a customer without preparing multiple kinds of pumps each having distinct performance and without degrading self-priming capabilit...  
JP2007327405A
To reduce assembling man-hours of a pump and a cost of the pump by decreasing the number of components. In the pump 30 in which a casing of a pump section 15 and a motor section 20 for rotating the pump section 15 are united with each ot...  
JP2007315216A
To provide a compact, lightweight, and reduced cost pump device. A water/steam separating chamber is formed of two chambers comprising a suction chamber and a discharge chamber. A suction flange connectable to the suction pipe is directl...  
JP2007315344A
To provide a compact self-priming pump having a longer life. Between a first partition body and a motor case, a second partition body 17 is provided to form the side wall of a swirling chamber. The second partition body 17 has a cylindri...  
JP4009322B2  
JP3999310B2  
JP3136246U
[Subject] Offer of an automatic feed water pump device which is suitable to use it in a setting position of environment where humidity is high, and makes noise reduction possible. [Means for Solution] The above-mentioned subject is betwe...  
JP3993730B2  
JP3983952B2  
JP2007239598A
To provide a self-priming pump the required performance of which is secured by suppressing the rise of the temperature of a reserved water even if a self-priming time is long. This self-priming pump comprises an impeller 3 rotated by a m...  
JP3967529B2
To provide a weld structure for preventing the discharge of weld burr generated at the time of welding to the inside and outside of a case body, not exerting adverse effects on the rotary operation of an impeller and the appearance of th...  
JP3959113B2  
JP3950309B2
To rapidly suction non-pressure water from a water source and shorten a time required before jetting water. A water suction pipe passage 11 of a pump body is equipped with water suction ports 13L and 13R, and relay ports 14L and 14R for ...  
JP2007187063A
To provide a self-suction pump having reduced noises and less deteriorating pumping efficiency by easily exhausting air while avoiding the less exhaust of air.The self-suction pump comprises a motor 1, an impeller 3, a front shroud 4 att...  
JP2007170372A
To provide a pump capable of surely feeding a liquid at all times while maintaining a priming function without being restricted in the mounting direction.This pump comprises a rotatingly driven impeller 2, a case in which a pump chamber ...  
JP3937306B2
To provide a full-water holding device for a horizontal pump which performs quick response operation during a rainfall period. In this horizontal pump wherein an opening part 3a is formed on an upper part of a pump 3, a priming detector ...  
JP2007146863A
To provide a centrifugal pump capable of improving the maximum suction lift capability of the pump and obtaining high prime speed.This centrifugal pump has a discharge duct 128 for changing flow of liquid into circular flow at an inlet o...  
JP2007138748A
To provide a pump of priming structure usable as both a pump for a shallow well and a pump for a deep well.This pump 10 comprises a body side casing 14 having a pump chamber 40 in which an impeller 25 is disposed, a suction side casing 1...  
JP3924730B2  
JP2007117912A
To provide an emergency purification apparatus capable of swiftly feeding water having an improved water quality using a self-absorbed pump requiring prime water.The emergency purification apparatus employs the self-absorbed pump 2 requi...  
JP2007509259A
[Subject] While improving the discharge from the hole of a well of a polyphase mixture, especially hydrocarbon, restrict free gas capacity. [Solution means] By the pressure side, a partial liquid style (13) branches from the main dischar...  
JP3904649B2
To compact a self-suction type pump by integrally forming the pump, to reduce the generation of water pass noise during filling with hot water, and to shorten a hot water filling time. A bath device having an additional burning circuit 1...  
JP2007085206A
To provide a pump in which air biking is improved without changing a pump structure.This pump 10 comprises a motor in which a rotor 21 having a magnetic substance 28 on the inner periphery of a stator 22 is disposed rotatably and a pump ...  
JP2007056812A
To provide a pump capable of always reliably supplying liquid by maintaining self-priming function without being restricted by mounting orientation.This pump is provided with an impeller 11 sucking and discharging liquid, a motor part 15...  
JP2007051554A
To provide a self-priming pump which can rapidly shift to water pumping-up operation by forming a suction casing 10 in which air can be mixed into self-priming water in large quantity, and shortening the time necessary for self-priming.A...  
JP2007040155A
To provide a self priming pump capable of shortening self priming time further.The self priming pump 2 is provided with a casing 14, a motor 15 and an impeller16 driven and rotated by the motor 15. A centrifugal impeller 16 includes a ma...  
JP2007040204A
To provide a self priming pump capable of efficiently bleeding air in a short self priming period even if a small-diameter and long pipe is used for a pipe connecting a liquid source and a pump, and a liquid supply and discharge device p...  
JP3880081B2
PURPOSE: To install a device in a relatively small space by opening a water drainage port downward in the bottom of a pump room. CONSTITUTION: A water drainage port 66 is opened downward in the bottom part of a pump room 62 for self-prim...  
JP2007023999A
To provide a suction tank in which an increase of noise produced while a suction pump is operated is suppressed, a liquid amount in re-self-feeding is secured, and a non-suction pump can be easily remodeled into a suction pump and vice v...  
JP2007016742A
To provide a hot spring water pumping system for well pumping high temperature spring water from a hot spring source existing at a high elevation site with easy operation.The hot spring water pumping system comprises a pump 1 for pumping...  
JP3869090B2
To provide satisfactory water-tightness to an inhalation hole through which the interior of a motor part is opened to the atmosphere, and to enable the provision of the water-tightness with a decreased number of components through simple...  
JP2007000866A
To provide a gas separator improved in such a way that a liquid or liquid suspension separated by a separation rotor from a mixture containing gas and a liquid or a liquid suspension can simply be recirculated into a process flow and, at...  
JP2006342752A
To provide a structure of a self-priming pump which retain water within the pump without providing a check valve and can eliminate the necessity of maintenance.A sealed tank has an air reservoir above a water surface and stores water by ...  
JP3127770U
[Subject] Even if a fluid extraction pipe from the 1st tank by the side of suction of a pump attracts air in large quantities, a fluid concrete supply system which can restore a fluid transfer system simply is provided by supplementing t...  
JP2006307674A
To provide a structure of a cooling water pump which prevents deterioration of pump efficiency due to the stay of air by surely executing the bleeding of air in a cooling water pump without specific air bleeding operation through the con...  
JP2006299977A
To provide a pump with a plurality of suction ports and one drain port, capable of carrying out the selection of a fluid supply source by changing over a flow path in the pump depending on the operating direction of the pump.The pump com...  
JP2006274929A
To provide a pump for liquid, for preventing gas from being stored in a pump.A pump 10 is a centrifugal pump, in which an impeller 46 is disposed in a casing 14, delivered liquid is sucked from a suction port 28 and pressure of the deliv...  
JP2006249966A
To provide a cooling device capable of improving cooling performance by achieving efficiency of heat exchange in the central part of a heat transfer part and removing bubbles of air in a centrifugal pump smoothly.This centrifugal pump 1 ...  
JP2006233762A
To miniaturize and simplify a liquid supply device and provide a sanitary pump having high convenience property at low cost by providing a water introducing passage for introducing liquid from a predetermined place in a pump case into a ...  
JP2006233884A
To provide a pump and a liquid supply device equipped with the same always supplying necessary water quantity and self suction function by reducing pipe resistance.This pump includes a casing having an impeller sucking and delivering liq...  

Matches 401 - 450 out of 2,706